/Engine/Plugins/Experimental/Mutable/Source/CustomizableObjectEditor/Public/MuCOE/CustomizableObjectEditorViewportClient.h
Returns in ArrayBoxSize and ArrayBoxColor the data for drawing the visual clue of the performance for the state enter and update test
void BuildMeanTimesBoxSizes ( float MaxWidth, [TArray](API\Runtime\Core\Containers\TArray)< float > & ArrayData, [TArray](API\Runtime\Core\Containers\TArray)< float > & ArrayBoxSize, [TArray](API\Runtime\Core\Containers\TArray)< [FLinearColor](API\Runtime\Core\Math\FLinearColor) > & ArrayBoxColor )